Car Key Fob Repairs

Today's key fobs do a lot more than unlock and start vehicles. However, that added complexity can add up to high repair bills when one of them fails.

It's good to know that the majority of fobs are powered by flat watch-style batteries, that can be replaced at home. It is possible that a reset can make your device work again.

Battery Replacement

The most frequent reason why the key fob ceases to function is due to a dead battery. It's easy to repair and worth a try before you spend money on an alternative fob. Simply drive your car to an hardware or auto parts retailer that carries button cells and choose an alternative. You can also consult the owner's manual (or in the event that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions for opening and replacing the battery in your particular type of fob.

You'll have to gently pull off the sides of many fobs to reach the battery. You'll need a small, flat-bladed screwdriver or another tool with a small blade. It may be helpful to look for a notch on the lower edge of the fob that you can use to wedge your tool between. You might also want to keep an eye for tiny pieces that might break loose while you work.

Insert the new battery the same way as you removed the previous one. The positive (+) side should be facing the buttons, while the opposite side is facing (-) the marks on the battery compartment.

Check the fob to determine if it works by pushing the button. If it doesn't, you might have a problem with your car that requires a specialist to repair or replace.

Certain Mobile Key Fob Repair fobs require special tools to open, and the contacts inside may be delicate and susceptible to corroding. In these cases an expert in the field or a dealer could be your best option. When replacing a battery, be gentle and follow the owner's instructions. You might be able to locate a comparable battery at a discounter or a big-box retailer but you'll have to refer to your owner's manual to ensure that it's the right one for your vehicle.

Replacing the Internal Key

To prevent theft, most key fobs are equipped with a mechanical key hidden inside. When the battery in the fob dies it leaves behind a blank internal key that can unlock doors and trunks (and in some cases, even start certain vehicles). A majority of people don't realize they can avoid a trip to a dealership by recharging the fob batteries. The flat watch-style battery is found in the majority of modern fobs. These batteries are easily found in auto parts stores and hardware stores. Choosing the right type of battery is essential, however. A wrong battery can harm the circuitry and lead to the fob to fail much earlier.

If you change the battery, and the problem persists it could be an indication that something else is going on with your car. Review the owner's manual of your vehicle to determine if there's a reset procedure that can bring the fob back to the factory program. If this isn't working, you'll need to visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.

Fobs can also malfunction because of faulty transmitter receivers. They are usually found near the steering wheel or on the dashboard. They transmit signals that allow you to unlock your vehicle and start it using the fob. If you're having to get closer and closer to your car in order to make it work, there's a high chance the transmitter is failing.

A professional may need to open the case of the fob to replace the transmitter. A simple screwdriver is enough to get the job done, but some fobs have complicated release mechanisms that require a specific tool or equipment that is available only at a dealership. This is a job that should be performed by a certified mechanic to ensure that the fob is not damaged and yourself.

Reprogramming the Key

Often a non-functional key fob just requires a new battery. Since these batteries are inexpensive and easily available at pharmacies and home improvement stores, this is an excellent first step prior to purchasing a new car key fob.

You may also be able to reprogram the fob yourself by following a few basic steps. This process varies between vehicle manufacturers, so it is important to read the owner's manual as well as research the specifics of your particular model. A key fob may require that the ignition switch be turned on while changing the program. One key fob could require the key to be inserted multiple times.

The procedure is easy. Make sure that the battery is securely in place. Then, get into the driver's seat and close all doors, excluding the driver's side door. This will ensure that the new key fob is communicating with the vehicle properly. Put the old key fob repair service in the ignition, then turn it ON however, don't start the engine. Then, press the lock button on the fob, while aiming it at the transmission receiver, [empty] which is usually located on the front of the vehicle above the mirror. In a short period of time the key will announce to the vehicle that it's been programmed by turning off the doors' locks or emitting the sound of a chime. This can be a tricky process, so pay close attention to timing and don't over-press the button.

If the key fob doesn't work Try reprogramming it using new batteries. If the issue isn't resolved, a visit to the dealer of your vehicle or locksmiths should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or clone a new key if it's required.

Genesky says he's able to program newer fobs at around $200 to $250, based on the model of vehicle. Genesky has had European models turned away because they don't have the equipment needed. The majority of aftermarket fobs can be programmed, but you should always inquire with your local dealer to determine the price.

Finding a New Fob

If your key fob is simply beyond repair, you may require an alternative. Depending on the make and model, the dealership or an auto locksmith might be able to assist. The dealership is likely to be the most expensive option for a replacement fob however, they'll have all the required tools and software needed to program your vehicle correctly. Many independent locksmiths offer a new car key fob at the lower cost.

It's a good idea to attempt to reset your current fob before you make the decision to purchase an entirely new one. The owner's guide should explain the correct procedure for reset. This is usually a series button presses that reset the factory program.

It is also recommended to check the owner's guide and warranty information to see whether you can obtain a replacement key fob. If your car is still under warranty, or you have a car insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be eligible for reimbursement for the cost of a new fob.

The process of getting a fob can be simple enough, but finding the right location to do it can be tricky. It is possible to go to the dealer for this service if you have a newer car and you want peace of mind knowing that your key fobs are functioning correctly. If you're looking for a cheaper alternative, it's possible to find a locksmith who will offer the same service for less cost.

A locksmith professional is a good option if you're not comfortable doing this type of work. They are skilled and equipped to reprogram or replace all kinds of car key fobs, and often they can do it quickly. In addition, a locksmith is often able to come to your office or home to do the job which is useful for certain people. They can even cut and program keys on the spot if you have lost keys, which is great for those who do not want to leave their cars in the dark.